sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h>

Update code that relied on sched.h including various MM types for them.

This will allow us to remove the <linux/mm_types.h> include from <linux/sched.h>.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index bdb295e..d0126fd 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -53,6 +53,8 @@
 
 #include <linux/module.h>
 #include <linux/bug.h>
+#include <linux/mm_types.h>
+
 #include <asm/arcregs.h>
 #include <asm/setup.h>
 #include <asm/mmu_context.h>